Exposure to intense summer sun increases the risk of skin cancer, the most commonly diagnosed cancer in the US. Skin cancer is most curable when found and treated early—but you can prevent skin cancer with simple sun safety practices.

Smokers turn to e-cigs to ease nicotine withdrawal, or to avoid harmful chemicals in tobacco smoke. But many use e-cigs in public spaces and regular cigarettes everywhere else. Quitting half-way won’t help. And we don’t know that smokeless vapor is safe.

Instead of removing tumors surgically, can we inject them with a "poison" that would cause them to destroy themselves? Scientists experiment in the lab with ways to use a common parasite in future treatment for cancer.

Outside workers worry about machines and noise more than sunscreen, but too much sun increases risk for skin cancer, the most common form of cancer in the U.S. The best way to fight back is to protect yourself from overexposure.